Description
CANFORD VIDEO DISTRIBUTION AMPLIFIER
Housed in the standard Canford extruded box with protective ABS bezels, the unit accepts a standard 1Vp/p video signal on a BNC connector (75 ohm termination). A parallel unbuffered input connector is provided, which can be used for looping through to another piece of unterminated equipment.
The amplifier provides 5 outputs on front-panel BNC connectors. A single 16 position switch allows control of the gain and equalisation applied to the signal: each step provides correction for approx. 25m of standard VCS (BBC PSF1/3) type cable, with a maximum correction capacity of approx 375m. This method of equalisation control enables approximate setting without reference to a waveform monitor; simply measure the length of unequalised cable, divide by 25 and dial up the result on the switch. A setting of zero gives unity gain and flat response.
An on/off switch is provided on the front panel, and a green Power LED flashes to indicate low supply voltage. Power is derived from an internal Alkaline PP3-size battery, or an external power supply can be plugged into the rear connector.
Technical Specification:
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Bandwidth: | >20MHz |
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Differential gain: | <0.6% |
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Differential phase: | <0.6% |
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Noise: | -70dB |
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Gain/EQ: | Min: 0dB gain, flat response |
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| Max: equates to loss in approx 375m of VCS (BBC PSF1/3) |
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Power: | Alkaline PP3-size battery, life approx 8 hours |
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| External 6-12V DC 40-60mA supply on 2.1mm jack (centre pin positive). Suitable supplies: 23-971 (UK), 23-831 (Euro) |
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Dimension: | 94 × 51 × 123mm |
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Weight: | 360g including battery. |